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Rean PLC I/O, does not work

Created by: Per Olof at: 11/14/2013 12:21 PM (3 Replies)

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11/14/2013 12:21 PM	Rate (0)
Per Olof Posts: 311 Rating: (3)	Hello all, I tried to read an analog input from the PLC from WinCC. But it does not work! I can see the value at IW256 in the PLC but when I create a Tag in WinCC with IW256 it does not show the value!! Read digital I/O works! But not analog I/O! Per Olof Attachment PLC input.jpg (356 Downloads)
Per Olof Posts: 311 Rating: (3)	Last edited by: Per Olof at: 11/14/2013 12:27 PM Last edited by: Per Olof at: 11/14/2013 12:27 PM
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11/14/2013 12:31 PM	Rate (0)
Marcjan Platinum Member Joined: 4/22/2010 Last visit: 3/31/2025 Posts: 5697 Rating: (716)	Hello, Try move IW256 to a MW and see if you can read it. Regards, Marcjan
	Problem solved? Please let us know! Please no technical questions by PM, use the forum sections for your questions.
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11/14/2013 12:32 PM	Rate (0)
Per Olof Posts: 311 Rating: (3)	Hello Marcjan, Ihave allraedy done that test and it works :)
Per Olof Posts: 311 Rating: (3)
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11/14/2013 12:56 PM	Rate (0)
Per Olof Posts: 311 Rating: (3)	Solved! The process image was to smal!
Per Olof Posts: 311 Rating: (3)
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This contribution was helpful to 2 thankful Users O_Moderator Marcjan

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